Lola (Christa Theret) is a teenage girl living with her mother Anne (Sophie Marceau), who is divorced from Lola's father, Alain (Alexandre Astier). Nicknamed 'LOL' by her friends, Lola has been taking her first steps into teenage romance, dating a boy from her class named Arthur (Félix Moati). Following the summer break, Arthur tells her that he cheated on her over the summer and was dating one of her friends. Lola decides to break things off with him, and starts seeing his close friend, Maël (Jeremy Kapone). Lola's friends seem to enjoy complicating matters even more. But life at home has also become impossible with her mother, Anne (Sophie Marceau). Lola attempts to play her mother and her father Alain (Alexandre Astier) off against each other for her own advantage, but what she doesn't know is that Anne and Alain have begun dating again on the sly. After a class trip to England her relationship with her mother comes crashing down.